X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.c;h=320c684ff52b344dca711578cea55f561fb1944e;hp=230f2baa90e1c53597ed6f9303b6730e9bd6e752;hb=e06415e3d9d08cd33c5983a2c49c4101377160c2;hpb=c0a3f67a5d66088aaf526f1461986f9e86d5dd1f

diff --git a/src/net.c b/src/net.c
index 230f2baa..320c684f 100644
--- a/src/net.c
+++ b/src/net.c
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: net.c,v 1.35.4.144 2001/10/31 12:50:24 guus Exp $
+    $Id: net.c,v 1.35.4.148 2001/11/05 19:09:08 guus Exp $
 */
 
 #include "config.h"
@@ -33,6 +33,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <signal.h>
 #include <sys/signal.h>
 #include <sys/time.h>
 #include <sys/types.h>
@@ -250,9 +251,11 @@ int setup_listen_socket(int port)
   int nfd, flags;
   struct sockaddr_in a;
   int option;
-  char *interface;
   char *address;
   ip_mask_t *ipmask;
+#ifdef HAVE_LINUX
+  char *interface;
+#endif
 cp
   if((nfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
     {
@@ -439,8 +442,19 @@ cp
 int setup_outgoing_connection(char *name)
 {
   connection_t *c;
+  node_t *n;
   struct hostent *h;
 cp
+  n = lookup_node(name);
+  
+  if(n)
+    if(n->connection)
+      {
+        if(debug_lvl >= DEBUG_CONNECTIONS)       
+          syslog(LOG_INFO, _("Already connected to %s"), name);
+        return 0;
+      }
+
   c = new_connection();
   c->name = xstrdup(name);
 
@@ -494,7 +508,6 @@ int read_rsa_public_key(connection_t *c)
   FILE *fp;
   char *fname;
   char *key;
-  void *result;
 cp
   if(!c->rsa_key)
     c->rsa_key = RSA_new();
@@ -520,9 +533,9 @@ cp
 	             fname);
               return -1;
             }
-          result = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL);
+          c->rsa_key = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL);
           fclose(fp);
-          if(!result)
+          if(!c->rsa_key)
             {
               syslog(LOG_ERR, _("Reading RSA public key file `%s' failed: %m"),
 	             fname);
@@ -536,19 +549,16 @@ cp
 
   /* Else, check if a harnessed public key is in the config file */
 
-  result = NULL;
-
   asprintf(&fname, "%s/hosts/%s", confbase, c->name);
   if((fp = fopen(fname, "r")))
     {
-      result = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL);
+      c->rsa_key = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL);
       fclose(fp);
-      free(fname);
     }
 
   free(fname);
 
-  if(result)
+  if(c->rsa_key)
     return 0;
   else
     {
@@ -560,14 +570,11 @@ cp
 int read_rsa_private_key(void)
 {
   FILE *fp;
-  void *result;
   char *fname, *key;
 cp
-  if(!myself->connection->rsa_key)
-    myself->connection->rsa_key = RSA_new();
-
   if(get_config_string(lookup_config(config_tree, "PrivateKey"), &key))
     {
+      myself->connection->rsa_key = RSA_new();
       BN_hex2bn(&myself->connection->rsa_key->d, key);
       BN_hex2bn(&myself->connection->rsa_key->e, "FFFF");
     }
@@ -579,9 +586,9 @@ cp
 	         fname);
           return -1;
         }
-      result = PEM_read_RSAPrivateKey(fp, &myself->connection->rsa_key, NULL, NULL);
+      myself->connection->rsa_key = PEM_read_RSAPrivateKey(fp, NULL, NULL, NULL);
       fclose(fp);
-      if(!result)
+      if(!myself->connection->rsa_key)
         {
           syslog(LOG_ERR, _("Reading RSA private key file `%s' failed: %m"),
 	         fname);
@@ -807,7 +814,9 @@ cp
 
   terminate_connection(myself->connection, 0);
 
-//  destroy_trees();
+  close(udp_socket);
+  close(tcp_socket);
+
   exit_edges();
   exit_subnets();
   exit_nodes();
@@ -842,13 +851,13 @@ cp
 
   c->address = ntohl(ci.sin_addr.s_addr);
   c->hostname = hostlookup(ci.sin_addr.s_addr);
-  c->port = htons(ci.sin_port);				/* This one will be overwritten later */
+  c->port = htons(ci.sin_port);
   c->socket = sfd;
   c->last_ping_time = time(NULL);
 
   if(debug_lvl >= DEBUG_CONNECTIONS)
     syslog(LOG_NOTICE, _("Connection from %s port %d"),
-         c->hostname, htons(ci.sin_port));
+         c->hostname, c->port);
 
   c->allow_request = ID;
 cp
@@ -1096,6 +1105,12 @@ cp
       get_config_string(cfg, &name);
       cfg = lookup_config_next(config_tree, cfg);  /* Next time skip to next ConnectTo line */
 
+      if(check_id(name))
+        {
+          syslog(LOG_ERR, _("Invalid name for outgoing connection in %s line %d"), cfg->file, cfg->line);
+          continue;
+        }
+
       if(setup_outgoing_connection(name))   /* function returns 0 when there are no problems */
         retry = 1;